William G. Tobias

William G. Tobias
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William G. Tobias
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Physics - Instrumentation and Detectors (1)
 
Physics - Chemical Physics (1)
 
Physics - Atomic Physics (1)

Publications Authored By William G. Tobias

We report on the design and characterization of a low-temperature external cavity diode laser (ECDL) system for broad wavelength tuning. The performance achieved with multiple diode models addresses the scarcity of commercial red laser diodes below 633 nm, which is a wavelength range relevant to spectroscopy of many molecules and ions. Using a combination of multiple-stage thermoelectric cooling and water cooling, the operating temperature of a laser diode is lowered to -64{\deg}C, more than 85{\deg}C below the ambient temperature. Read More